Home / 17,718,645.42-26,581,869.90-5,422,703.25

Finding the Fourth Proportional to 17,718,645.42, 26,581,869.90 and 5,422,703.25

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Solution

The fourth proportional to 17,718,645.42, 26,581,869.90 and 5,422,703.25 is: 8,135,248.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718,645.42 : 26,581,869.90 = 5,422,703.25 : x
  2. Step 2: Convert to fraction form
    17,718,645.42/26,581,869.90 = 5,422,703.25/x
  3. Step 3: Cross multiply
    17,718,645.42x = 26,581,869.90 × 5,422,703.25
  4. Step 4: Simplify right side
    17,718,645.42x = 144,145,592,297,807.16
  5. Step 5: Solve for x
    x = 144,145,592,297,807.16/17,718,645.42
  6. Step 6: Final answer
    x = 8,135,248.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.